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authorKevin Cernekee <cernekee@gmail.com>2011-07-24 01:19:12 -0700
committerCarmelo Amoroso <carmelo.amoroso@st.com>2011-07-27 09:40:10 +0200
commit2d4243ce60bcd7a9f64c2ce670bc456f2c7da708 (patch)
tree9b66c235e7936eed4b3ee6d31848cbd673b45f8f /COPYING.LIB
parent3d5cec4ff704c2dec151f3cdbcc426d746d37fcc (diff)
ldso/mips: Enable bootstrap relocations
_dl_reltypes_tab[] is an array of pointers to constant strings: Contents of section .data: 20000 01000000 02000000 00000000 00000000 ................ 20010 70e50000 7ce50000 88e50000 94e50000 p...|........... ^^^^^^^^ ^^^^^^^^ ^^^^^^^^ ^^^^^^^^ (pointers are LE) Contents of section .rodata: e570 525f4d49 50535f4e 4f4e4500 525f4d49 R_MIPS_NONE.R_MI e580 50535f31 36000000 525f4d49 50535f33 PS_16...R_MIPS_3 e590 32000000 525f4d49 50535f52 454c3332 2...R_MIPS_REL32 These pointers require relocation: DYNAMIC RELOCATION RECORDS OFFSET TYPE VALUE 00000000 R_MIPS_NONE *ABS* 0001fffc R_MIPS_REL32 *ABS* 00020010 R_MIPS_REL32 *ABS* 00020014 R_MIPS_REL32 *ABS* 00020018 R_MIPS_REL32 *ABS* On MIPS, only GOT relocations are currently handled by ldso during startup. The net effect is that when running with "LD_DEBUG=reloc", ldso itself crashes before the program even starts. This is caused by _dl_dprintf() dereferencing an unadjusted string pointer such as 0xe570. This patch enables the missing relocations and allows LD_DEBUG to work as designed. Signed-off-by: Kevin Cernekee <cernekee@gmail.com> Signed-off-by: Carmelo Amoroso <carmelo.amoroso@st.com>
Diffstat (limited to 'COPYING.LIB')
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